 
    * { margin: 0; 
      padding: 0; box-sizing: border-box; font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif; }
    body { background-color: #f5f7fa; min-height: 100vh; display: flex; justify-content: center; align-items: center; }
   .container { width: 400px; background: white; border-radius: 8px; box-shadow: 0 4px 12px rgba(0,0,0,0.1); padding: 30px; }
    h1 { text-align: center; margin-bottom: 20px; color: #333; }
   .form-group { margin-bottom: 15px; }
    label { display: block; margin-bottom: 8px; font-weight: 500; color: #555; }
    input { width: 100%; padding: 12px; border: 1px solid #ddd; border-radius: 4px; font-size: 16px; }
   .checkbox-group { margin-bottom: 20px; display: flex; align-items: center; }
   .checkbox-group input { margin-right: 8px; }
   .btn { width: 100%; padding: 14px; background-color: #0c7d2e; color: white; border: none; border-radius: 4px; font-size: 16px; cursor: pointer; transition: background-color 0.3s; }
   .btn:hover { background-color: #0c7d2e; }
   .link-group { text-align: center; margin-top: 15px; font-size: 14px; }
   .link-group a { color: #0c7d2e; text-decoration: none; }
   .link-group a:hover { text-decoration: underline; }
  